body {
  font-family: Arial, sans-serif;
  text-align: center;
  background-color: #f0f0f0;
  padding: 30px;
}

.quiz-container {
  background: white;
  max-width: 600px;
  margin: 0 aut;
  padding: 20px;
  border-radius: 10px;
  box-shadow: 0 0 10px #bbb;
}

.image-pair {
  display: flex;
  justify-content: center;
  gap: 10px;
  margin-bottom: 15px;
}

.image-pair img {
  width: 45%;
  height: auto;
  border: 1px solid #ccc;
  border-radius: 5px;
}

#options button {
  display: block;
  margin: 8px auto;
  padding: 10px 20px;
  width: 80%;
  font-size: 16px;
  cursor: pointer;
}

#next-btn {
  display: none;
  margin-top: 20px;
  padding: 10px 20px;
  font-size: 16px;
}

#feedback {
  margin-top: 10px;
  font-weight: bold;
}